105525451 has 2 divisors, whose sum is σ = 105525452. Its totient is φ = 105525450.

The previous prime is 105525439. The next prime is 105525493. The reversal of 105525451 is 154525501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105525451 - 2⁵ = 105525419 is a prime.

It is a super-2 number, since 2×105525451² = 22271241617506802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105525401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52762725 + 52762726.

It is an arithmetic number, because the mean of its divisors is an integer number (52762726).

Almost surely, 2^105525451 is an apocalyptic number.

105525451 is a deficient number, since it is larger than the sum of its proper divisors (1).

105525451 is an equidigital number, since it uses as much as digits as its factorization.

105525451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 105525451 is about 10272.5581526706. The cubic root of 105525451 is about 472.5550467301. Note that the first 3 decimals are identical.

Subtracting 105525451 from its reverse (154525501), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 105525451 in words is "one hundred five million, five hundred twenty-five thousand, four hundred fifty-one".